426140634344 has 16 divisors (see below), whose sum is σ = 812556295200. Its totient is φ = 209458955632.

The previous prime is 426140634319. The next prime is 426140634347. The reversal of 426140634344 is 443436041624.

It is a super-3 number, since 3×426140634344³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (426140634347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451419692 + ... + 451420635.

It is an arithmetic number, because the mean of its divisors is an integer number (50784768450).

Almost surely, 2^426140634344 is an apocalyptic number.

It is an amenable number.

426140634344 is a deficient number, since it is larger than the sum of its proper divisors (386415660856).

426140634344 is a wasteful number, since it uses less digits than its factorization.

426140634344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902840392 (or 902840388 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 41.

Adding to 426140634344 its reverse (443436041624), we get a palindrome (869576675968).

The spelling of 426140634344 in words is "four hundred twenty-six billion, one hundred forty million, six hundred thirty-four thousand, three hundred forty-four".